Zoological Miscellany. 
9 
Gen. Chaca. Fam. Siluridce. 
Dorsal fins 2, first anterior short, hinder long, united to the caudal 
and anal fins ; first ray of the pectoral fin spinous, rest of the fins all 
soft ; head very broad. Allied to Aspredo. 
Hamilton's Chaca. Chaca Hamiltonii. Platysacus Chaca, Hamilton, 
Ganges, t. 28. 
Gen. Raconda. Fam. ClupeidcB, 
Dorsal fin none ; rest like Pristigaster. 
Russel's Raconda. Raconda Russeliana. Silvery ; Saugar Roads. A 
species distinguished from the want of the fin by the fishermen ; there 
are two specimens in the British Museum, neither shewing the slightest 
indication of that organ. 
Gen. Coilia. Fam. Clupeidce. 
Body tapering, compressed ; dorsal fin short, over the ventrals ; anal 
and caudal fin united ; pectoral fins small ; rays five, three upper long 
and free ; rest of the characters like Thrissa, 
Ramarata Coilia, Coilia Hamiltonii, Mystus Ramarata. Hamilton, 
Ganges, 233. Illust. Ind. Zool. t. f. yellowish. Indian Ocean. 
Gen. Rataboura. Fam. Murcenidce 
Body cylindrical, lateral line straight, central ; head short, mouth 
small ; teeth conical in both jaws, equal ; dorsal, anal, and caudal fin 
distinct ; dorsal fin short, behind the middle of the body ; caudal fin 
rounded ; pectoral fin small ; gill apertures small just before the pectoral 
fins. 
Hamilton's Rataboura. Rataboura Hamiltonii, Murcena Rataboura, 
Ham, 25. Dorsal fin 22, anal 50, and caudal 60-rayed. 
Hardwicks Rataboura. Rataboura Hardwickii. Illust. Ind. Zool. 
t. 11, f. 2. Dorsal fin 26, anal 32, and caudal 36-rayed. 
Gen. Moringua. . Fam. Murcenidce, 
Body cylindrical ; lateral line straight, inferior ; head short ; mouth 
small ; jaws subequal ; teeth of the upper jaw conical, acute, recurved, 
with a central row along the palate, in the lower jaw short, blunt, equal ; 
dorsal, anal, and caudal fins united ; dorsal fin commencing just before the 
front of the anal fin ; pectoral fins small ; tail compressed ; vent behind 
the middle of the body. 
Linear Moringua, Moringua Linearis, Anguilla linearis, Hardw. 
MSS. Illust. Ind. Zool. t. 11, f. 1. 
Description of three Species q/* Trichiurus in the British Museum, 
Armed Trichiurus, Trichiurus armatus. Sawala, Russel, Ind. 
fish, t. 41 > not good. Head long, compressed, more than l the length 
of the animal ; forehead depressed ; jaws obliquely truncated in front ; 
front teeth very large, barbed behind, obliquely produced; intermargillary 
bones very long, reaching to under the middle of the eye ; body com- 
pressed, with a series of minute spines beneath ; lateral line arched over 
the pectoral fin, and then continued below the middle about f the height 
of the body. Indian Ocean. Brit. Mus. 
B 
